281573180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{311}}^1$

素因数の和:579

約数の個数: 96

約数和(自身を含む): 704471040

約数和(自身を除く): 422897860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 223, 290, 311, 406, 446, 580, 622, 812, 892, 1015, 1115, 1244, 1555, 1561, 2030, 2177, 2230, 3110, 3122, 4060, 4354, 4460, 6220, 6244, 6467, 7805, 8708, 9019, 10885, 12934, 15610, 18038, 21770, 25868, 31220, 32335, 36076, 43540, 45095, 45269, 63133, 64670, 69353, 90190, 90538, 126266, 129340, 138706, 180380, 181076, 226345, 252532, 277412, 315665, 346765, 452690, 485471, 631330, 693530, 905380, 970942, 1262660, 1387060, 1941884, 2011237, 2427355, 4022474, 4854710, 8044948, 9709420, 10056185, 14078659, 20112370, 28157318, 40224740, 56314636, 70393295, 140786590, 281573180]

約数ペア:

[(1, 281573180), (2, 140786590), (4, 70393295), (5, 56314636), (7, 40224740), (10, 28157318), (14, 20112370), (20, 14078659), (28, 10056185), (29, 9709420), (35, 8044948), (58, 4854710), (70, 4022474), (116, 2427355), (140, 2011237), (145, 1941884), (203, 1387060), (223, 1262660), (290, 970942), (311, 905380), (406, 693530), (446, 631330), (580, 485471), (622, 452690), (812, 346765), (892, 315665), (1015, 277412), (1115, 252532), (1244, 226345), (1555, 181076), (1561, 180380), (2030, 138706), (2177, 129340), (2230, 126266), (3110, 90538), (3122, 90190), (4060, 69353), (4354, 64670), (4460, 63133), (6220, 45269), (6244, 45095), (6467, 43540), (7805, 36076), (8708, 32335), (9019, 31220), (10885, 25868), (12934, 21770), (15610, 18038)]